@nice-blue: #5B83AD;
@light-blue: @nice-blue + #111;

h2{
    background: @light-blue;
    color: yellow;
}
#aboutMe{
    width: 100%;
    height: 300px;
    background: url('http://cimage1.tianjimedia.com/uploadImages/thirdImages/2017/198/28CS495A8189.jpg');
}